ssb: remove the ssb DMA API
[linux-2.6.git] / include / linux / pci-acpi.h
1 /*
2  * File         pci-acpi.h
3  *
4  * Copyright (C) 2004 Intel
5  * Copyright (C) Tom Long Nguyen (tom.l.nguyen@intel.com)
6  */
7
8 #ifndef _PCI_ACPI_H_
9 #define _PCI_ACPI_H_
10
11 #include <linux/acpi.h>
12
13 #ifdef CONFIG_ACPI
14 extern acpi_status pci_acpi_add_bus_pm_notifier(struct acpi_device *dev,
15                                                  struct pci_bus *pci_bus);
16 extern acpi_status pci_acpi_remove_bus_pm_notifier(struct acpi_device *dev);
17 extern acpi_status pci_acpi_add_pm_notifier(struct acpi_device *dev,
18                                              struct pci_dev *pci_dev);
19 extern acpi_status pci_acpi_remove_pm_notifier(struct acpi_device *dev);
20
21 static inline acpi_handle acpi_find_root_bridge_handle(struct pci_dev *pdev)
22 {
23         struct pci_bus *pbus = pdev->bus;
24         /* Find a PCI root bus */
25         while (!pci_is_root_bus(pbus))
26                 pbus = pbus->parent;
27         return acpi_get_pci_rootbridge_handle(pci_domain_nr(pbus),
28                                               pbus->number);
29 }
30
31 static inline acpi_handle acpi_pci_get_bridge_handle(struct pci_bus *pbus)
32 {
33         if (!pci_is_root_bus(pbus))
34                 return DEVICE_ACPI_HANDLE(&(pbus->self->dev));
35         return acpi_get_pci_rootbridge_handle(pci_domain_nr(pbus),
36                                               pbus->number);
37 }
38 #else
39 static inline acpi_handle acpi_find_root_bridge_handle(struct pci_dev *pdev)
40 { return NULL; }
41 #endif
42
43 #endif  /* _PCI_ACPI_H_ */